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brake job piston compression

Wicky

Mr. Potatohead
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Mazda 3 stick
Rear brakes.
How the fuck do you compress the calipers?
Never been so frustrated
 

LargeOrangeFont

We aren't happy until you aren't happy
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Are there slots or grooves in the piston (it is a Mazda so probably yes) ?

If yes, you need one of these. One of the sides will fit the slots.
1F5E7D8B-0999-471D-8CFD-C93113EA8102.png


Put it on a 3/8 extension with a ratchet, then press and turn. If you still can’t do it, crack the bleeder, then press and turn. Just bleed the the caliper when you are done.
 

TimeBandit

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Does it have an electronic parking brake?
 

ChrisV

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Pry bar works great to twist it in.
 
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